I hate to ask a dumb question, but did you apply the access list to your inside interface with "access-group 101 in interface inside"?
I just tried the same thing on my PIX and it did work. I would check your config. ""Stephane Litkowski"" wrote in message news:200211051821.SAA10082@;groupstudy.com... > Hi all, > > how can I prevent a cisco router to respond to a traceroute (ICMP or UDP) ? > I tried to apply an access-list out to prevent ICMP to be generated by the > router, but it doesn't seem to block anything ! Maybe access-lists cannot > block local traffic ... > > access-list 101 deny icmp any any log > access-list 101 permit ip any any > > I see the packet log by the ACL, but it is still transmitted (because local > ?) > > 00:24:13: %SEC-6-IPACCESSLOGDP: list 101 denied icmp 192.168.1.3 -> > 192.168.1.2(0/0), 1 packet > 00:24:13: IP: s=192.168.1.3 (local), d=192.168.1.2 (Ethernet0), len 56, > sending > 00:24:13: ICMP type=11, code=0 > > Thanks for help > > Stephane Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=56927&t=56924 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]